<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <!-- 头像 -->
        <img src="../assets/logo.png" alt />
      </div>
      <!-- 登录表单 -->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!-- 密码区 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            prefix-icon="iconfont icon-3702mima"
          ></el-input>
        </el-form-item>
        <!-- 按钮区 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
// eslint-disable-next-line semi
export default {
  // eslint-disable-next-line space-before-function-paren
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        //   验证用户名
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          {
            min: 3,
            max: 15,
            message: '名称长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        // 验证密码
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          {
            min: 3,
            max: 18,
            message: '密码长度在 6 到 18 个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    //   点击重置表单
    // eslint-disable-next-line space-before-function-paren
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields()
    },
    // eslint-disable-next-line space-before-function-paren
    login() {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        console.log(res)

        if (res.meta.status !== 200) return this.$message.error('登陆失败')
        this.$message.success('登陆成功')
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('./home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 450px;
  height: 300px;
  background-color: white;
  border-radius: 3px;
}

.avatar_box {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  height: 130px;
  width: 130px;
  padding: 10px;
  border: 1px solid #eee;
  border-radius: 50%;
  box-shadow: 0 0 10px #ddd;
  background-color: #fff;
  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  //   尾部对齐
  justify-content: flex-end;
}
.login_form {
  padding: 0 20px;
  position: absolute;
  bottom: 0;
  width: 100%;
  box-sizing: border-box;
}
</style>
